Remove app info page v1 related codes.

- change to use AppInfoDashboardFragment completely
- remove InstalledAppDetails and the corresponding tests

Change-Id: I8cbdf71cadc8b5743929abbafe91185e5e39b6b2
Fixes: 69384089
Test: make RunSettingsRoboTests

src/com/android/settings/datausage/UnrestrictedDataAccess.java

@@ -22,7 +22,6 @@ import android.os.Bundle;
 import android.os.UserHandle;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
-import android.util.FeatureFlagUtils;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -33,9 +32,7 @@ import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppStateBaseBridge;
-import com.android.settings.applications.InstalledAppDetails;
 import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.datausage.AppStateDataUsageBridge.DataUsageState;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.AppSwitchPreference;
@@ -286,17 +283,10 @@ public class UnrestrictedDataAccess extends SettingsPreferenceFragment
         protected void onClick() {
             if (mState.isDataSaverBlacklisted) {
                 // app is blacklisted, launch App Data Usage screen
-                if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.APP_INFO_V2)) {
-                    AppInfoDashboardFragment.startAppInfoFragment(AppDataUsage.class,
-                            R.string.app_data_usage,
-                            UnrestrictedDataAccess.this,
-                            mEntry);
-                } else {
-                    InstalledAppDetails.startAppInfoFragment(AppDataUsage.class,
-                            R.string.app_data_usage,
-                            UnrestrictedDataAccess.this,
-                            mEntry);
-                }
+                AppInfoDashboardFragment.startAppInfoFragment(AppDataUsage.class,
+                    R.string.app_data_usage,
+                    UnrestrictedDataAccess.this,
+                    mEntry);
             } else {
                 // app is not blacklisted, let superclass handle toggle switch
                 super.onClick();